The night work lights and laser coordinate grid were just shutting down as Denise Scott arrived at the Four Suns Towers jobsite for what was planned to be a very important day. She’d been on site constantly as the collaborating architect since the project’s inception sixteen months prior. That seemed like an eon ago—when Global Project’s Housing Solutions Group first called her office in Seattle to gauge her interest—but there was no time to reminisce at the moment. The auto-cranes were already hoisting the slab printers down into the staging yard to be replaced with robotic roof installers that would fabricate and install the topping membrane. The final composite polymeric structure components of the roof systems, 32 levels above the street, had finished printing in place just an hour earlier and right on schedule.